[Performance efficiency of subsurface filters in clay soils]
2000
Saulys, V. (Lithuanian Inst. of Water Management, Vilainiai (Lithuania))
In the article there is subsurface drainage filters performance in clay soils presented. It was established that the performance efficiency of the filter would change in view to the change of soil wetness by 1.4-4.1 times. Consequently, regression equations for comparable discharges of different subsurface filters have been elaborated, i.e., the equations between the comparable discharges of the filters and soil wetness. Subsequently, it enabled to link the performance efficiency to meteorological conditions of the area, which was very important in critical moments of pipe line performance.
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